20469339240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{1783}}^1$

素因数の和:2056

約数の個数: 256

約数和(自身を含む): 71519846400

約数和(自身を除く): 51050507160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 173, 210, 237, 280, 316, 346, 395, 420, 474, 519, 553, 632, 692, 790, 840, 865, 948, 1038, 1106, 1185, 1211, 1384, 1580, 1659, 1730, 1783, 1896, 2076, 2212, 2370, 2422, 2595, 2765, 3160, 3318, 3460, 3566, 3633, 4152, 4424, 4740, 4844, 5190, 5349, 5530, 6055, 6636, 6920, 7132, 7266, 8295, 8915, 9480, 9688, 10380, 10698, 11060, 12110, 12481, 13272, 13667, 14264, 14532, 16590, 17830, 18165, 20760, 21396, 22120, 24220, 24962, 26745, 27334, 29064, 33180, 35660, 36330, 37443, 41001, 42792, 48440, 49924, 53490, 54668, 62405, 66360, 68335, 71320, 72660, 74886, 82002, 95669, 99848, 106980, 109336, 124810, 136670, 140857, 145320, 149772, 164004, 187215, 191338, 205005, 213960, 249620, 273340, 281714, 287007, 299544, 308459, 328008, 374430, 382676, 410010, 422571, 478345, 499240, 546680, 563428, 574014, 616918, 704285, 748860, 765352, 820020, 845142, 925377, 956690, 985999, 1126856, 1148028, 1233836, 1408570, 1435035, 1497720, 1542295, 1640040, 1690284, 1850754, 1913380, 1971998, 2112855, 2159213, 2296056, 2467672, 2817140, 2870070, 2957997, 3084590, 3380568, 3701508, 3826760, 3943996, 4225710, 4318426, 4626885, 4929995, 5634280, 5740140, 5915994, 6169180, 6477639, 7403016, 7887992, 8451420, 8636852, 9253770, 9859990, 10796065, 11480280, 11831988, 12338360, 12955278, 14789985, 16902840, 17273704, 18507540, 19719980, 21592130, 23663976, 24368261, 25910556, 29579970, 32388195, 37015080, 39439960, 43184260, 48736522, 51821112, 59159940, 64776390, 73104783, 86368520, 97473044, 118319880, 121841305, 129552780, 146209566, 170577827, 194946088, 243682610, 259105560, 292419132, 341155654, 365523915, 487365220, 511733481, 584838264, 682311308, 731047830, 852889135, 974730440, 1023466962, 1364622616, 1462095660, 1705778270, 2046933924, 2558667405, 2924191320, 3411556540, 4093867848, 5117334810, 6823113080, 10234669620, 20469339240]

約数ペア:

[(1, 20469339240), (2, 10234669620), (3, 6823113080), (4, 5117334810), (5, 4093867848), (6, 3411556540), (7, 2924191320), (8, 2558667405), (10, 2046933924), (12, 1705778270), (14, 1462095660), (15, 1364622616), (20, 1023466962), (21, 974730440), (24, 852889135), (28, 731047830), (30, 682311308), (35, 584838264), (40, 511733481), (42, 487365220), (56, 365523915), (60, 341155654), (70, 292419132), (79, 259105560), (84, 243682610), (105, 194946088), (120, 170577827), (140, 146209566), (158, 129552780), (168, 121841305), (173, 118319880), (210, 97473044), (237, 86368520), (280, 73104783), (316, 64776390), (346, 59159940), (395, 51821112), (420, 48736522), (474, 43184260), (519, 39439960), (553, 37015080), (632, 32388195), (692, 29579970), (790, 25910556), (840, 24368261), (865, 23663976), (948, 21592130), (1038, 19719980), (1106, 18507540), (1185, 17273704), (1211, 16902840), (1384, 14789985), (1580, 12955278), (1659, 12338360), (1730, 11831988), (1783, 11480280), (1896, 10796065), (2076, 9859990), (2212, 9253770), (2370, 8636852), (2422, 8451420), (2595, 7887992), (2765, 7403016), (3160, 6477639), (3318, 6169180), (3460, 5915994), (3566, 5740140), (3633, 5634280), (4152, 4929995), (4424, 4626885), (4740, 4318426), (4844, 4225710), (5190, 3943996), (5349, 3826760), (5530, 3701508), (6055, 3380568), (6636, 3084590), (6920, 2957997), (7132, 2870070), (7266, 2817140), (8295, 2467672), (8915, 2296056), (9480, 2159213), (9688, 2112855), (10380, 1971998), (10698, 1913380), (11060, 1850754), (12110, 1690284), (12481, 1640040), (13272, 1542295), (13667, 1497720), (14264, 1435035), (14532, 1408570), (16590, 1233836), (17830, 1148028), (18165, 1126856), (20760, 985999), (21396, 956690), (22120, 925377), (24220, 845142), (24962, 820020), (26745, 765352), (27334, 748860), (29064, 704285), (33180, 616918), (35660, 574014), (36330, 563428), (37443, 546680), (41001, 499240), (42792, 478345), (48440, 422571), (49924, 410010), (53490, 382676), (54668, 374430), (62405, 328008), (66360, 308459), (68335, 299544), (71320, 287007), (72660, 281714), (74886, 273340), (82002, 249620), (95669, 213960), (99848, 205005), (106980, 191338), (109336, 187215), (124810, 164004), (136670, 149772), (140857, 145320)]