163967720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 256

約数和(自身を含む): 492480000

約数和(自身を除く): 328512280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 37, 38, 40, 49, 56, 68, 70, 74, 76, 85, 95, 98, 119, 133, 136, 140, 148, 152, 170, 185, 190, 196, 238, 245, 259, 266, 280, 296, 323, 340, 343, 370, 380, 392, 476, 490, 518, 532, 595, 629, 646, 665, 680, 686, 703, 740, 760, 833, 931, 952, 980, 1036, 1064, 1190, 1258, 1292, 1295, 1330, 1372, 1406, 1480, 1615, 1666, 1715, 1813, 1862, 1960, 2072, 2261, 2380, 2516, 2584, 2590, 2660, 2744, 2812, 3145, 3230, 3332, 3430, 3515, 3626, 3724, 4165, 4403, 4522, 4655, 4760, 4921, 5032, 5180, 5320, 5624, 5831, 6290, 6460, 6517, 6664, 6860, 7030, 7252, 7448, 8330, 8806, 9044, 9065, 9310, 9842, 10360, 11305, 11662, 11951, 12580, 12691, 12920, 13034, 13720, 14060, 14504, 15827, 16660, 17612, 18088, 18130, 18620, 19684, 22015, 22610, 23324, 23902, 24605, 25160, 25382, 26068, 28120, 29155, 30821, 31654, 32585, 33320, 34447, 35224, 36260, 37240, 39368, 44030, 45220, 46648, 47804, 49210, 50764, 52136, 58310, 59755, 61642, 63308, 63455, 65170, 68894, 72520, 79135, 83657, 88060, 90440, 95608, 98420, 101528, 110789, 116620, 119510, 123284, 126616, 126910, 130340, 137788, 154105, 158270, 167314, 172235, 176120, 196840, 215747, 221578, 233240, 239020, 241129, 246568, 253820, 260680, 275576, 308210, 316540, 334628, 344470, 418285, 431494, 443156, 478040, 482258, 507640, 553945, 585599, 616420, 633080, 669256, 688940, 836570, 862988, 886312, 964516, 1078735, 1107890, 1171198, 1205645, 1232840, 1377880, 1673140, 1725976, 1929032, 2157470, 2215780, 2342396, 2411290, 2927995, 3346280, 4099193, 4314940, 4431560, 4684792, 4822580, 5855990, 8198386, 8629880, 9645160, 11711980, 16396772, 20495965, 23423960, 32793544, 40991930, 81983860, 163967720]

約数ペア:

[(1, 163967720), (2, 81983860), (4, 40991930), (5, 32793544), (7, 23423960), (8, 20495965), (10, 16396772), (14, 11711980), (17, 9645160), (19, 8629880), (20, 8198386), (28, 5855990), (34, 4822580), (35, 4684792), (37, 4431560), (38, 4314940), (40, 4099193), (49, 3346280), (56, 2927995), (68, 2411290), (70, 2342396), (74, 2215780), (76, 2157470), (85, 1929032), (95, 1725976), (98, 1673140), (119, 1377880), (133, 1232840), (136, 1205645), (140, 1171198), (148, 1107890), (152, 1078735), (170, 964516), (185, 886312), (190, 862988), (196, 836570), (238, 688940), (245, 669256), (259, 633080), (266, 616420), (280, 585599), (296, 553945), (323, 507640), (340, 482258), (343, 478040), (370, 443156), (380, 431494), (392, 418285), (476, 344470), (490, 334628), (518, 316540), (532, 308210), (595, 275576), (629, 260680), (646, 253820), (665, 246568), (680, 241129), (686, 239020), (703, 233240), (740, 221578), (760, 215747), (833, 196840), (931, 176120), (952, 172235), (980, 167314), (1036, 158270), (1064, 154105), (1190, 137788), (1258, 130340), (1292, 126910), (1295, 126616), (1330, 123284), (1372, 119510), (1406, 116620), (1480, 110789), (1615, 101528), (1666, 98420), (1715, 95608), (1813, 90440), (1862, 88060), (1960, 83657), (2072, 79135), (2261, 72520), (2380, 68894), (2516, 65170), (2584, 63455), (2590, 63308), (2660, 61642), (2744, 59755), (2812, 58310), (3145, 52136), (3230, 50764), (3332, 49210), (3430, 47804), (3515, 46648), (3626, 45220), (3724, 44030), (4165, 39368), (4403, 37240), (4522, 36260), (4655, 35224), (4760, 34447), (4921, 33320), (5032, 32585), (5180, 31654), (5320, 30821), (5624, 29155), (5831, 28120), (6290, 26068), (6460, 25382), (6517, 25160), (6664, 24605), (6860, 23902), (7030, 23324), (7252, 22610), (7448, 22015), (8330, 19684), (8806, 18620), (9044, 18130), (9065, 18088), (9310, 17612), (9842, 16660), (10360, 15827), (11305, 14504), (11662, 14060), (11951, 13720), (12580, 13034), (12691, 12920)]