87160220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 232888320

約数和(自身を除く): 145728100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 151, 155, 190, 196, 217, 245, 266, 302, 310, 380, 434, 490, 532, 589, 604, 620, 665, 755, 868, 931, 980, 1057, 1085, 1178, 1330, 1510, 1519, 1862, 2114, 2170, 2356, 2660, 2869, 2945, 3020, 3038, 3724, 4123, 4228, 4340, 4655, 4681, 5285, 5738, 5890, 6076, 7399, 7595, 8246, 9310, 9362, 10570, 11476, 11780, 14345, 14798, 15190, 16492, 18620, 18724, 20083, 20615, 21140, 23405, 28690, 28861, 29596, 30380, 32767, 36995, 40166, 41230, 46810, 57380, 57722, 65534, 73990, 80332, 82460, 88939, 93620, 100415, 115444, 131068, 140581, 144305, 147980, 163835, 177878, 200830, 229369, 281162, 288610, 327670, 355756, 401660, 444695, 458738, 562324, 577220, 622573, 655340, 702905, 889390, 917476, 1146845, 1245146, 1405810, 1778780, 2293690, 2490292, 2811620, 3112865, 4358011, 4587380, 6225730, 8716022, 12451460, 17432044, 21790055, 43580110, 87160220]

約数ペア:

[(1, 87160220), (2, 43580110), (4, 21790055), (5, 17432044), (7, 12451460), (10, 8716022), (14, 6225730), (19, 4587380), (20, 4358011), (28, 3112865), (31, 2811620), (35, 2490292), (38, 2293690), (49, 1778780), (62, 1405810), (70, 1245146), (76, 1146845), (95, 917476), (98, 889390), (124, 702905), (133, 655340), (140, 622573), (151, 577220), (155, 562324), (190, 458738), (196, 444695), (217, 401660), (245, 355756), (266, 327670), (302, 288610), (310, 281162), (380, 229369), (434, 200830), (490, 177878), (532, 163835), (589, 147980), (604, 144305), (620, 140581), (665, 131068), (755, 115444), (868, 100415), (931, 93620), (980, 88939), (1057, 82460), (1085, 80332), (1178, 73990), (1330, 65534), (1510, 57722), (1519, 57380), (1862, 46810), (2114, 41230), (2170, 40166), (2356, 36995), (2660, 32767), (2869, 30380), (2945, 29596), (3020, 28861), (3038, 28690), (3724, 23405), (4123, 21140), (4228, 20615), (4340, 20083), (4655, 18724), (4681, 18620), (5285, 16492), (5738, 15190), (5890, 14798), (6076, 14345), (7399, 11780), (7595, 11476), (8246, 10570), (9310, 9362)]