68896980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 219542400

約数和(自身を除く): 150645420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 599, 639, 710, 810, 852, 1065, 1198, 1278, 1420, 1620, 1797, 1917, 2130, 2396, 2556, 2995, 3195, 3594, 3834, 4260, 5391, 5751, 5990, 6390, 7188, 7668, 8985, 9585, 10782, 11502, 11980, 12780, 16173, 17970, 19170, 21564, 23004, 26955, 28755, 32346, 35940, 38340, 42529, 48519, 53910, 57510, 64692, 80865, 85058, 97038, 107820, 115020, 127587, 161730, 170116, 194076, 212645, 242595, 255174, 323460, 382761, 425290, 485190, 510348, 637935, 765522, 850580, 970380, 1148283, 1275870, 1531044, 1913805, 2296566, 2551740, 3444849, 3827610, 4593132, 5741415, 6889698, 7655220, 11482830, 13779396, 17224245, 22965660, 34448490, 68896980]

約数ペア:

[(1, 68896980), (2, 34448490), (3, 22965660), (4, 17224245), (5, 13779396), (6, 11482830), (9, 7655220), (10, 6889698), (12, 5741415), (15, 4593132), (18, 3827610), (20, 3444849), (27, 2551740), (30, 2296566), (36, 1913805), (45, 1531044), (54, 1275870), (60, 1148283), (71, 970380), (81, 850580), (90, 765522), (108, 637935), (135, 510348), (142, 485190), (162, 425290), (180, 382761), (213, 323460), (270, 255174), (284, 242595), (324, 212645), (355, 194076), (405, 170116), (426, 161730), (540, 127587), (599, 115020), (639, 107820), (710, 97038), (810, 85058), (852, 80865), (1065, 64692), (1198, 57510), (1278, 53910), (1420, 48519), (1620, 42529), (1797, 38340), (1917, 35940), (2130, 32346), (2396, 28755), (2556, 26955), (2995, 23004), (3195, 21564), (3594, 19170), (3834, 17970), (4260, 16173), (5391, 12780), (5751, 11980), (5990, 11502), (6390, 10782), (7188, 9585), (7668, 8985)]