642016080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 240

約数和(自身を含む): 2305031040

約数和(自身を除く): 1663014960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 284, 285, 304, 342, 355, 360, 380, 426, 456, 568, 570, 639, 661, 684, 710, 720, 760, 852, 855, 912, 1065, 1136, 1140, 1278, 1322, 1349, 1368, 1420, 1520, 1704, 1710, 1983, 2130, 2280, 2556, 2644, 2698, 2736, 2840, 3195, 3305, 3408, 3420, 3966, 4047, 4260, 4560, 5112, 5288, 5396, 5680, 5949, 6390, 6610, 6745, 6840, 7932, 8094, 8520, 9915, 10224, 10576, 10792, 11898, 12141, 12559, 12780, 13220, 13490, 13680, 15864, 16188, 17040, 19830, 20235, 21584, 23796, 24282, 25118, 25560, 26440, 26980, 29745, 31728, 32376, 37677, 39660, 40470, 46931, 47592, 48564, 50236, 51120, 52880, 53960, 59490, 60705, 62795, 64752, 75354, 79320, 80940, 93862, 95184, 97128, 100472, 107920, 113031, 118980, 121410, 125590, 140793, 150708, 158640, 161880, 187724, 188385, 194256, 200944, 226062, 234655, 237960, 242820, 251180, 281586, 301416, 323760, 375448, 376770, 422379, 452124, 469310, 475920, 485640, 502360, 563172, 565155, 602832, 703965, 750896, 753540, 844758, 891689, 904248, 938620, 971280, 1004720, 1126344, 1130310, 1407930, 1507080, 1689516, 1783378, 1808496, 1877240, 2111895, 2252688, 2260620, 2675067, 2815860, 3014160, 3379032, 3566756, 3754480, 4223790, 4458445, 4521240, 5350134, 5631720, 6758064, 7133512, 8025201, 8447580, 8916890, 9042480, 10700268, 11263440, 13375335, 14267024, 16050402, 16895160, 17833780, 21400536, 26750670, 32100804, 33790320, 35667560, 40126005, 42801072, 53501340, 64201608, 71335120, 80252010, 107002680, 128403216, 160504020, 214005360, 321008040, 642016080]

約数ペア:

[(1, 642016080), (2, 321008040), (3, 214005360), (4, 160504020), (5, 128403216), (6, 107002680), (8, 80252010), (9, 71335120), (10, 64201608), (12, 53501340), (15, 42801072), (16, 40126005), (18, 35667560), (19, 33790320), (20, 32100804), (24, 26750670), (30, 21400536), (36, 17833780), (38, 16895160), (40, 16050402), (45, 14267024), (48, 13375335), (57, 11263440), (60, 10700268), (71, 9042480), (72, 8916890), (76, 8447580), (80, 8025201), (90, 7133512), (95, 6758064), (114, 5631720), (120, 5350134), (142, 4521240), (144, 4458445), (152, 4223790), (171, 3754480), (180, 3566756), (190, 3379032), (213, 3014160), (228, 2815860), (240, 2675067), (284, 2260620), (285, 2252688), (304, 2111895), (342, 1877240), (355, 1808496), (360, 1783378), (380, 1689516), (426, 1507080), (456, 1407930), (568, 1130310), (570, 1126344), (639, 1004720), (661, 971280), (684, 938620), (710, 904248), (720, 891689), (760, 844758), (852, 753540), (855, 750896), (912, 703965), (1065, 602832), (1136, 565155), (1140, 563172), (1278, 502360), (1322, 485640), (1349, 475920), (1368, 469310), (1420, 452124), (1520, 422379), (1704, 376770), (1710, 375448), (1983, 323760), (2130, 301416), (2280, 281586), (2556, 251180), (2644, 242820), (2698, 237960), (2736, 234655), (2840, 226062), (3195, 200944), (3305, 194256), (3408, 188385), (3420, 187724), (3966, 161880), (4047, 158640), (4260, 150708), (4560, 140793), (5112, 125590), (5288, 121410), (5396, 118980), (5680, 113031), (5949, 107920), (6390, 100472), (6610, 97128), (6745, 95184), (6840, 93862), (7932, 80940), (8094, 79320), (8520, 75354), (9915, 64752), (10224, 62795), (10576, 60705), (10792, 59490), (11898, 53960), (12141, 52880), (12559, 51120), (12780, 50236), (13220, 48564), (13490, 47592), (13680, 46931), (15864, 40470), (16188, 39660), (17040, 37677), (19830, 32376), (20235, 31728), (21584, 29745), (23796, 26980), (24282, 26440), (25118, 25560)]