18955680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 66624768

約数和(自身を除く): 47669088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 96, 101, 102, 115, 120, 136, 138, 160, 170, 184, 202, 204, 230, 240, 255, 272, 276, 303, 340, 345, 368, 391, 404, 408, 460, 480, 505, 510, 544, 552, 606, 680, 690, 736, 782, 808, 816, 920, 1010, 1020, 1104, 1173, 1212, 1360, 1380, 1515, 1564, 1616, 1632, 1717, 1840, 1955, 2020, 2040, 2208, 2323, 2346, 2424, 2720, 2760, 3030, 3128, 3232, 3434, 3680, 3910, 4040, 4080, 4646, 4692, 4848, 5151, 5520, 5865, 6060, 6256, 6868, 6969, 7820, 8080, 8160, 8585, 9292, 9384, 9696, 10302, 11040, 11615, 11730, 12120, 12512, 13736, 13938, 15640, 16160, 17170, 18584, 18768, 20604, 23230, 23460, 24240, 25755, 27472, 27876, 31280, 34340, 34845, 37168, 37536, 39491, 41208, 46460, 46920, 48480, 51510, 54944, 55752, 62560, 68680, 69690, 74336, 78982, 82416, 92920, 93840, 103020, 111504, 118473, 137360, 139380, 157964, 164832, 185840, 187680, 197455, 206040, 223008, 236946, 274720, 278760, 315928, 371680, 394910, 412080, 473892, 557520, 592365, 631856, 789820, 824160, 947784, 1115040, 1184730, 1263712, 1579640, 1895568, 2369460, 3159280, 3791136, 4738920, 6318560, 9477840, 18955680]

約数ペア:

[(1, 18955680), (2, 9477840), (3, 6318560), (4, 4738920), (5, 3791136), (6, 3159280), (8, 2369460), (10, 1895568), (12, 1579640), (15, 1263712), (16, 1184730), (17, 1115040), (20, 947784), (23, 824160), (24, 789820), (30, 631856), (32, 592365), (34, 557520), (40, 473892), (46, 412080), (48, 394910), (51, 371680), (60, 315928), (68, 278760), (69, 274720), (80, 236946), (85, 223008), (92, 206040), (96, 197455), (101, 187680), (102, 185840), (115, 164832), (120, 157964), (136, 139380), (138, 137360), (160, 118473), (170, 111504), (184, 103020), (202, 93840), (204, 92920), (230, 82416), (240, 78982), (255, 74336), (272, 69690), (276, 68680), (303, 62560), (340, 55752), (345, 54944), (368, 51510), (391, 48480), (404, 46920), (408, 46460), (460, 41208), (480, 39491), (505, 37536), (510, 37168), (544, 34845), (552, 34340), (606, 31280), (680, 27876), (690, 27472), (736, 25755), (782, 24240), (808, 23460), (816, 23230), (920, 20604), (1010, 18768), (1020, 18584), (1104, 17170), (1173, 16160), (1212, 15640), (1360, 13938), (1380, 13736), (1515, 12512), (1564, 12120), (1616, 11730), (1632, 11615), (1717, 11040), (1840, 10302), (1955, 9696), (2020, 9384), (2040, 9292), (2208, 8585), (2323, 8160), (2346, 8080), (2424, 7820), (2720, 6969), (2760, 6868), (3030, 6256), (3128, 6060), (3232, 5865), (3434, 5520), (3680, 5151), (3910, 4848), (4040, 4692), (4080, 4646)]