156253720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1337

約数の個数: 128

約数和(自身を含む): 441676800

約数和(自身を除く): 285423080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1277, 1288, 1330, 1610, 1748, 2185, 2554, 2660, 3059, 3220, 3496, 4370, 5108, 5320, 6118, 6385, 6440, 8740, 8939, 10216, 12236, 12770, 15295, 17480, 17878, 24263, 24472, 25540, 29371, 30590, 35756, 44695, 48526, 51080, 58742, 61180, 71512, 89390, 97052, 117484, 121315, 122360, 146855, 169841, 178780, 194104, 205597, 234968, 242630, 293710, 339682, 357560, 411194, 485260, 558049, 587420, 679364, 822388, 849205, 970520, 1027985, 1116098, 1174840, 1358728, 1644776, 1698410, 2055970, 2232196, 2790245, 3396820, 3906343, 4111940, 4464392, 5580490, 6793640, 7812686, 8223880, 11160980, 15625372, 19531715, 22321960, 31250744, 39063430, 78126860, 156253720]

約数ペア:

[(1, 156253720), (2, 78126860), (4, 39063430), (5, 31250744), (7, 22321960), (8, 19531715), (10, 15625372), (14, 11160980), (19, 8223880), (20, 7812686), (23, 6793640), (28, 5580490), (35, 4464392), (38, 4111940), (40, 3906343), (46, 3396820), (56, 2790245), (70, 2232196), (76, 2055970), (92, 1698410), (95, 1644776), (115, 1358728), (133, 1174840), (140, 1116098), (152, 1027985), (161, 970520), (184, 849205), (190, 822388), (230, 679364), (266, 587420), (280, 558049), (322, 485260), (380, 411194), (437, 357560), (460, 339682), (532, 293710), (644, 242630), (665, 234968), (760, 205597), (805, 194104), (874, 178780), (920, 169841), (1064, 146855), (1277, 122360), (1288, 121315), (1330, 117484), (1610, 97052), (1748, 89390), (2185, 71512), (2554, 61180), (2660, 58742), (3059, 51080), (3220, 48526), (3496, 44695), (4370, 35756), (5108, 30590), (5320, 29371), (6118, 25540), (6385, 24472), (6440, 24263), (8740, 17878), (8939, 17480), (10216, 15295), (12236, 12770)]