161539140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:722

約数の個数: 192

約数和(自身を含む): 562544640

約数和(自身を除く): 401005500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 124, 133, 140, 155, 186, 190, 210, 217, 228, 266, 285, 310, 372, 380, 399, 420, 434, 465, 532, 570, 589, 620, 651, 653, 665, 798, 868, 930, 1085, 1140, 1178, 1302, 1306, 1330, 1596, 1767, 1860, 1959, 1995, 2170, 2356, 2604, 2612, 2660, 2945, 3255, 3265, 3534, 3918, 3990, 4123, 4340, 4571, 5890, 6510, 6530, 7068, 7836, 7980, 8246, 8835, 9142, 9795, 11780, 12369, 12407, 13020, 13060, 13713, 16492, 17670, 18284, 19590, 20243, 20615, 22855, 24738, 24814, 27426, 35340, 37221, 39180, 40486, 41230, 45710, 49476, 49628, 54852, 60729, 61845, 62035, 68565, 74442, 80972, 82460, 86849, 91420, 101215, 121458, 123690, 124070, 137130, 141701, 148884, 173698, 186105, 202430, 242916, 247380, 248140, 260547, 274260, 283402, 303645, 347396, 372210, 384617, 404860, 425103, 434245, 521094, 566804, 607290, 708505, 744420, 769234, 850206, 868490, 1042188, 1153851, 1214580, 1302735, 1417010, 1538468, 1700412, 1736980, 1923085, 2125515, 2307702, 2605470, 2692319, 2834020, 3846170, 4251030, 4615404, 5210940, 5384638, 5769255, 7692340, 8076957, 8502060, 10769276, 11538510, 13461595, 16153914, 23077020, 26923190, 32307828, 40384785, 53846380, 80769570, 161539140]

約数ペア:

[(1, 161539140), (2, 80769570), (3, 53846380), (4, 40384785), (5, 32307828), (6, 26923190), (7, 23077020), (10, 16153914), (12, 13461595), (14, 11538510), (15, 10769276), (19, 8502060), (20, 8076957), (21, 7692340), (28, 5769255), (30, 5384638), (31, 5210940), (35, 4615404), (38, 4251030), (42, 3846170), (57, 2834020), (60, 2692319), (62, 2605470), (70, 2307702), (76, 2125515), (84, 1923085), (93, 1736980), (95, 1700412), (105, 1538468), (114, 1417010), (124, 1302735), (133, 1214580), (140, 1153851), (155, 1042188), (186, 868490), (190, 850206), (210, 769234), (217, 744420), (228, 708505), (266, 607290), (285, 566804), (310, 521094), (372, 434245), (380, 425103), (399, 404860), (420, 384617), (434, 372210), (465, 347396), (532, 303645), (570, 283402), (589, 274260), (620, 260547), (651, 248140), (653, 247380), (665, 242916), (798, 202430), (868, 186105), (930, 173698), (1085, 148884), (1140, 141701), (1178, 137130), (1302, 124070), (1306, 123690), (1330, 121458), (1596, 101215), (1767, 91420), (1860, 86849), (1959, 82460), (1995, 80972), (2170, 74442), (2356, 68565), (2604, 62035), (2612, 61845), (2660, 60729), (2945, 54852), (3255, 49628), (3265, 49476), (3534, 45710), (3918, 41230), (3990, 40486), (4123, 39180), (4340, 37221), (4571, 35340), (5890, 27426), (6510, 24814), (6530, 24738), (7068, 22855), (7836, 20615), (7980, 20243), (8246, 19590), (8835, 18284), (9142, 17670), (9795, 16492), (11780, 13713), (12369, 13060), (12407, 13020)]