21455879520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{23269}}^1$

素因数の和:23417

約数の個数: 192

約数和(自身を含む): 72198060480

約数和(自身を除く): 50742180960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 113, 120, 136, 160, 170, 204, 226, 240, 255, 272, 339, 340, 408, 452, 480, 510, 544, 565, 678, 680, 816, 904, 1020, 1130, 1356, 1360, 1632, 1695, 1808, 1921, 2040, 2260, 2712, 2720, 3390, 3616, 3842, 4080, 4520, 5424, 5763, 6780, 7684, 8160, 9040, 9605, 10848, 11526, 13560, 15368, 18080, 19210, 23052, 23269, 27120, 28815, 30736, 38420, 46104, 46538, 54240, 57630, 61472, 69807, 76840, 92208, 93076, 115260, 116345, 139614, 153680, 184416, 186152, 230520, 232690, 279228, 307360, 349035, 372304, 395573, 461040, 465380, 558456, 698070, 744608, 791146, 922080, 930760, 1116912, 1186719, 1396140, 1582292, 1861520, 1977865, 2233824, 2373438, 2629397, 2792280, 3164584, 3723040, 3955730, 4746876, 5258794, 5584560, 5933595, 6329168, 7888191, 7911460, 9493752, 10517588, 11169120, 11867190, 12658336, 13146985, 15776382, 15822920, 18987504, 21035176, 23734380, 26293970, 31552764, 31645840, 37975008, 39440955, 42070352, 44699749, 47468760, 52587940, 63105528, 63291680, 78881910, 84140704, 89399498, 94937520, 105175880, 126211056, 134099247, 157763820, 178798996, 189875040, 210351760, 223498745, 252422112, 268198494, 315527640, 357597992, 420703520, 446997490, 536396988, 631055280, 670496235, 715195984, 893994980, 1072793976, 1262110560, 1340992470, 1430391968, 1787989960, 2145587952, 2681984940, 3575979920, 4291175904, 5363969880, 7151959840, 10727939760, 21455879520]

約数ペア:

[(1, 21455879520), (2, 10727939760), (3, 7151959840), (4, 5363969880), (5, 4291175904), (6, 3575979920), (8, 2681984940), (10, 2145587952), (12, 1787989960), (15, 1430391968), (16, 1340992470), (17, 1262110560), (20, 1072793976), (24, 893994980), (30, 715195984), (32, 670496235), (34, 631055280), (40, 536396988), (48, 446997490), (51, 420703520), (60, 357597992), (68, 315527640), (80, 268198494), (85, 252422112), (96, 223498745), (102, 210351760), (113, 189875040), (120, 178798996), (136, 157763820), (160, 134099247), (170, 126211056), (204, 105175880), (226, 94937520), (240, 89399498), (255, 84140704), (272, 78881910), (339, 63291680), (340, 63105528), (408, 52587940), (452, 47468760), (480, 44699749), (510, 42070352), (544, 39440955), (565, 37975008), (678, 31645840), (680, 31552764), (816, 26293970), (904, 23734380), (1020, 21035176), (1130, 18987504), (1356, 15822920), (1360, 15776382), (1632, 13146985), (1695, 12658336), (1808, 11867190), (1921, 11169120), (2040, 10517588), (2260, 9493752), (2712, 7911460), (2720, 7888191), (3390, 6329168), (3616, 5933595), (3842, 5584560), (4080, 5258794), (4520, 4746876), (5424, 3955730), (5763, 3723040), (6780, 3164584), (7684, 2792280), (8160, 2629397), (9040, 2373438), (9605, 2233824), (10848, 1977865), (11526, 1861520), (13560, 1582292), (15368, 1396140), (18080, 1186719), (19210, 1116912), (23052, 930760), (23269, 922080), (27120, 791146), (28815, 744608), (30736, 698070), (38420, 558456), (46104, 465380), (46538, 461040), (54240, 395573), (57630, 372304), (61472, 349035), (69807, 307360), (76840, 279228), (92208, 232690), (93076, 230520), (115260, 186152), (116345, 184416), (139614, 153680)]