15553980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 216

約数和(自身を含む): 56320992

約数和(自身を除く): 40767012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 23, 26, 30, 34, 36, 39, 45, 46, 51, 52, 60, 65, 68, 69, 78, 85, 90, 92, 102, 115, 117, 130, 138, 153, 156, 170, 180, 195, 204, 207, 221, 230, 234, 255, 260, 276, 289, 299, 306, 340, 345, 390, 391, 414, 442, 460, 468, 510, 578, 585, 598, 612, 663, 690, 765, 780, 782, 828, 867, 884, 897, 1020, 1035, 1105, 1156, 1170, 1173, 1196, 1326, 1380, 1445, 1495, 1530, 1564, 1734, 1794, 1955, 1989, 2070, 2210, 2340, 2346, 2601, 2652, 2691, 2890, 2990, 3060, 3315, 3468, 3519, 3588, 3757, 3910, 3978, 4140, 4335, 4420, 4485, 4692, 5083, 5202, 5382, 5780, 5865, 5980, 6630, 6647, 7038, 7514, 7820, 7956, 8670, 8970, 9945, 10166, 10404, 10764, 11271, 11730, 13005, 13260, 13294, 13455, 14076, 15028, 15249, 17340, 17595, 17940, 18785, 19890, 19941, 20332, 22542, 23460, 25415, 26010, 26588, 26910, 30498, 33235, 33813, 35190, 37570, 39780, 39882, 45084, 45747, 50830, 52020, 53820, 56355, 59823, 60996, 66470, 67626, 70380, 75140, 76245, 79764, 86411, 91494, 99705, 101660, 112710, 119646, 132940, 135252, 152490, 169065, 172822, 182988, 199410, 225420, 228735, 239292, 259233, 299115, 304980, 338130, 345644, 398820, 432055, 457470, 518466, 598230, 676260, 777699, 864110, 914940, 1036932, 1196460, 1296165, 1555398, 1728220, 2592330, 3110796, 3888495, 5184660, 7776990, 15553980]

約数ペア:

[(1, 15553980), (2, 7776990), (3, 5184660), (4, 3888495), (5, 3110796), (6, 2592330), (9, 1728220), (10, 1555398), (12, 1296165), (13, 1196460), (15, 1036932), (17, 914940), (18, 864110), (20, 777699), (23, 676260), (26, 598230), (30, 518466), (34, 457470), (36, 432055), (39, 398820), (45, 345644), (46, 338130), (51, 304980), (52, 299115), (60, 259233), (65, 239292), (68, 228735), (69, 225420), (78, 199410), (85, 182988), (90, 172822), (92, 169065), (102, 152490), (115, 135252), (117, 132940), (130, 119646), (138, 112710), (153, 101660), (156, 99705), (170, 91494), (180, 86411), (195, 79764), (204, 76245), (207, 75140), (221, 70380), (230, 67626), (234, 66470), (255, 60996), (260, 59823), (276, 56355), (289, 53820), (299, 52020), (306, 50830), (340, 45747), (345, 45084), (390, 39882), (391, 39780), (414, 37570), (442, 35190), (460, 33813), (468, 33235), (510, 30498), (578, 26910), (585, 26588), (598, 26010), (612, 25415), (663, 23460), (690, 22542), (765, 20332), (780, 19941), (782, 19890), (828, 18785), (867, 17940), (884, 17595), (897, 17340), (1020, 15249), (1035, 15028), (1105, 14076), (1156, 13455), (1170, 13294), (1173, 13260), (1196, 13005), (1326, 11730), (1380, 11271), (1445, 10764), (1495, 10404), (1530, 10166), (1564, 9945), (1734, 8970), (1794, 8670), (1955, 7956), (1989, 7820), (2070, 7514), (2210, 7038), (2340, 6647), (2346, 6630), (2601, 5980), (2652, 5865), (2691, 5780), (2890, 5382), (2990, 5202), (3060, 5083), (3315, 4692), (3468, 4485), (3519, 4420), (3588, 4335), (3757, 4140), (3910, 3978)]