1666780380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3308

約数の個数: 144

約数和(自身を含む): 5253812928

約数和(自身を除く): 3587032548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 71, 82, 90, 123, 142, 164, 180, 205, 213, 246, 284, 355, 369, 410, 426, 492, 615, 639, 710, 738, 820, 852, 1065, 1230, 1278, 1420, 1476, 1845, 2130, 2460, 2556, 2911, 3181, 3195, 3690, 4260, 5822, 6362, 6390, 7380, 8733, 9543, 11644, 12724, 12780, 14555, 15905, 17466, 19086, 26199, 28629, 29110, 31810, 34932, 38172, 43665, 47715, 52398, 57258, 58220, 63620, 87330, 95430, 104796, 114516, 130421, 130995, 143145, 174660, 190860, 225851, 260842, 261990, 286290, 391263, 451702, 521684, 523980, 572580, 652105, 677553, 782526, 903404, 1129255, 1173789, 1304210, 1355106, 1565052, 1956315, 2032659, 2258510, 2347578, 2608420, 2710212, 3387765, 3912630, 4065318, 4517020, 4695156, 5868945, 6775530, 7825260, 8130636, 9259891, 10163295, 11737890, 13551060, 18519782, 20326590, 23475780, 27779673, 37039564, 40653180, 46299455, 55559346, 83339019, 92598910, 111118692, 138898365, 166678038, 185197820, 277796730, 333356076, 416695095, 555593460, 833390190, 1666780380]

約数ペア:

[(1, 1666780380), (2, 833390190), (3, 555593460), (4, 416695095), (5, 333356076), (6, 277796730), (9, 185197820), (10, 166678038), (12, 138898365), (15, 111118692), (18, 92598910), (20, 83339019), (30, 55559346), (36, 46299455), (41, 40653180), (45, 37039564), (60, 27779673), (71, 23475780), (82, 20326590), (90, 18519782), (123, 13551060), (142, 11737890), (164, 10163295), (180, 9259891), (205, 8130636), (213, 7825260), (246, 6775530), (284, 5868945), (355, 4695156), (369, 4517020), (410, 4065318), (426, 3912630), (492, 3387765), (615, 2710212), (639, 2608420), (710, 2347578), (738, 2258510), (820, 2032659), (852, 1956315), (1065, 1565052), (1230, 1355106), (1278, 1304210), (1420, 1173789), (1476, 1129255), (1845, 903404), (2130, 782526), (2460, 677553), (2556, 652105), (2911, 572580), (3181, 523980), (3195, 521684), (3690, 451702), (4260, 391263), (5822, 286290), (6362, 261990), (6390, 260842), (7380, 225851), (8733, 190860), (9543, 174660), (11644, 143145), (12724, 130995), (12780, 130421), (14555, 114516), (15905, 104796), (17466, 95430), (19086, 87330), (26199, 63620), (28629, 58220), (29110, 57258), (31810, 52398), (34932, 47715), (38172, 43665)]