128021220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 434476224

約数和(自身を除く): 306455004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 107, 115, 138, 153, 170, 180, 204, 207, 214, 230, 255, 276, 289, 306, 321, 340, 345, 391, 414, 428, 460, 510, 535, 578, 612, 642, 690, 765, 782, 828, 867, 963, 1020, 1035, 1070, 1156, 1173, 1284, 1380, 1445, 1530, 1564, 1605, 1734, 1819, 1926, 1955, 2070, 2140, 2346, 2461, 2601, 2890, 3060, 3210, 3468, 3519, 3638, 3852, 3910, 4140, 4335, 4692, 4815, 4922, 5202, 5457, 5780, 5865, 6420, 6647, 7038, 7276, 7383, 7820, 8670, 9095, 9630, 9844, 10404, 10914, 11730, 12305, 13005, 13294, 14076, 14766, 16371, 17340, 17595, 18190, 19260, 19941, 21828, 22149, 23460, 24610, 26010, 26588, 27285, 29532, 30923, 32742, 33235, 35190, 36380, 36915, 39882, 41837, 44298, 49220, 52020, 54570, 59823, 61846, 65484, 66470, 70380, 73830, 79764, 81855, 83674, 88596, 92769, 99705, 109140, 110745, 119646, 123692, 125511, 132940, 147660, 154615, 163710, 167348, 185538, 199410, 209185, 221490, 239292, 251022, 278307, 299115, 309230, 327420, 371076, 376533, 398820, 418370, 442980, 463845, 502044, 556614, 598230, 618460, 627555, 711229, 753066, 836740, 927690, 1113228, 1196460, 1255110, 1391535, 1422458, 1506132, 1855380, 1882665, 2133687, 2510220, 2783070, 2844916, 3556145, 3765330, 4267374, 5566140, 6401061, 7112290, 7530660, 8534748, 10668435, 12802122, 14224580, 21336870, 25604244, 32005305, 42673740, 64010610, 128021220]

約数ペア:

[(1, 128021220), (2, 64010610), (3, 42673740), (4, 32005305), (5, 25604244), (6, 21336870), (9, 14224580), (10, 12802122), (12, 10668435), (15, 8534748), (17, 7530660), (18, 7112290), (20, 6401061), (23, 5566140), (30, 4267374), (34, 3765330), (36, 3556145), (45, 2844916), (46, 2783070), (51, 2510220), (60, 2133687), (68, 1882665), (69, 1855380), (85, 1506132), (90, 1422458), (92, 1391535), (102, 1255110), (107, 1196460), (115, 1113228), (138, 927690), (153, 836740), (170, 753066), (180, 711229), (204, 627555), (207, 618460), (214, 598230), (230, 556614), (255, 502044), (276, 463845), (289, 442980), (306, 418370), (321, 398820), (340, 376533), (345, 371076), (391, 327420), (414, 309230), (428, 299115), (460, 278307), (510, 251022), (535, 239292), (578, 221490), (612, 209185), (642, 199410), (690, 185538), (765, 167348), (782, 163710), (828, 154615), (867, 147660), (963, 132940), (1020, 125511), (1035, 123692), (1070, 119646), (1156, 110745), (1173, 109140), (1284, 99705), (1380, 92769), (1445, 88596), (1530, 83674), (1564, 81855), (1605, 79764), (1734, 73830), (1819, 70380), (1926, 66470), (1955, 65484), (2070, 61846), (2140, 59823), (2346, 54570), (2461, 52020), (2601, 49220), (2890, 44298), (3060, 41837), (3210, 39882), (3468, 36915), (3519, 36380), (3638, 35190), (3852, 33235), (3910, 32742), (4140, 30923), (4335, 29532), (4692, 27285), (4815, 26588), (4922, 26010), (5202, 24610), (5457, 23460), (5780, 22149), (5865, 21828), (6420, 19941), (6647, 19260), (7038, 18190), (7276, 17595), (7383, 17340), (7820, 16371), (8670, 14766), (9095, 14076), (9630, 13294), (9844, 13005), (10404, 12305), (10914, 11730)]