19815100920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{3511}}^1$

素因数の和:3846

約数の個数: 192

約数和(自身を含む): 65728203840

約数和(自身を除く): 45913102920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 257, 305, 360, 366, 488, 514, 549, 610, 732, 771, 915, 1028, 1098, 1220, 1285, 1464, 1542, 1830, 2056, 2196, 2313, 2440, 2570, 2745, 3084, 3511, 3660, 3855, 4392, 4626, 5140, 5490, 6168, 7022, 7320, 7710, 9252, 10280, 10533, 10980, 11565, 14044, 15420, 15677, 17555, 18504, 21066, 21960, 23130, 28088, 30840, 31354, 31599, 35110, 42132, 46260, 47031, 52665, 62708, 63198, 70220, 78385, 84264, 92520, 94062, 105330, 125416, 126396, 140440, 141093, 156770, 157995, 188124, 210660, 214171, 235155, 252792, 282186, 313540, 315990, 376248, 421320, 428342, 470310, 564372, 627080, 631980, 642513, 705465, 856684, 902327, 940620, 1070855, 1128744, 1263960, 1285026, 1410930, 1713368, 1804654, 1881240, 1927539, 2141710, 2570052, 2706981, 2821860, 3212565, 3609308, 3855078, 4283420, 4511635, 5140104, 5413962, 5643720, 6425130, 7218616, 7710156, 8120943, 8566840, 9023270, 9637695, 10827924, 12850260, 13534905, 15420312, 16241886, 18046540, 19275390, 21655848, 25700520, 27069810, 32483772, 36093080, 38550780, 40604715, 54139620, 55041947, 64967544, 77101560, 81209430, 108279240, 110083894, 162418860, 165125841, 220167788, 275209735, 324837720, 330251682, 440335576, 495377523, 550419470, 660503364, 825629205, 990755046, 1100838940, 1321006728, 1651258410, 1981510092, 2201677880, 2476887615, 3302516820, 3963020184, 4953775230, 6605033640, 9907550460, 19815100920]

約数ペア:

[(1, 19815100920), (2, 9907550460), (3, 6605033640), (4, 4953775230), (5, 3963020184), (6, 3302516820), (8, 2476887615), (9, 2201677880), (10, 1981510092), (12, 1651258410), (15, 1321006728), (18, 1100838940), (20, 990755046), (24, 825629205), (30, 660503364), (36, 550419470), (40, 495377523), (45, 440335576), (60, 330251682), (61, 324837720), (72, 275209735), (90, 220167788), (120, 165125841), (122, 162418860), (180, 110083894), (183, 108279240), (244, 81209430), (257, 77101560), (305, 64967544), (360, 55041947), (366, 54139620), (488, 40604715), (514, 38550780), (549, 36093080), (610, 32483772), (732, 27069810), (771, 25700520), (915, 21655848), (1028, 19275390), (1098, 18046540), (1220, 16241886), (1285, 15420312), (1464, 13534905), (1542, 12850260), (1830, 10827924), (2056, 9637695), (2196, 9023270), (2313, 8566840), (2440, 8120943), (2570, 7710156), (2745, 7218616), (3084, 6425130), (3511, 5643720), (3660, 5413962), (3855, 5140104), (4392, 4511635), (4626, 4283420), (5140, 3855078), (5490, 3609308), (6168, 3212565), (7022, 2821860), (7320, 2706981), (7710, 2570052), (9252, 2141710), (10280, 1927539), (10533, 1881240), (10980, 1804654), (11565, 1713368), (14044, 1410930), (15420, 1285026), (15677, 1263960), (17555, 1128744), (18504, 1070855), (21066, 940620), (21960, 902327), (23130, 856684), (28088, 705465), (30840, 642513), (31354, 631980), (31599, 627080), (35110, 564372), (42132, 470310), (46260, 428342), (47031, 421320), (52665, 376248), (62708, 315990), (63198, 313540), (70220, 282186), (78385, 252792), (84264, 235155), (92520, 214171), (94062, 210660), (105330, 188124), (125416, 157995), (126396, 156770), (140440, 141093)]