328437560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 843264000

約数和(自身を除く): 514826440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 199, 220, 242, 248, 310, 341, 398, 440, 484, 605, 620, 682, 796, 968, 995, 1210, 1240, 1331, 1364, 1592, 1705, 1990, 2189, 2420, 2662, 2728, 3410, 3751, 3980, 4378, 4840, 5324, 6169, 6655, 6820, 7502, 7960, 8756, 10648, 10945, 12338, 13310, 13640, 15004, 17512, 18755, 21890, 24079, 24676, 26620, 30008, 30845, 37510, 41261, 43780, 48158, 49352, 53240, 61690, 67859, 75020, 82522, 87560, 96316, 120395, 123380, 135718, 150040, 165044, 192632, 206305, 240790, 246760, 264869, 271436, 330088, 339295, 412610, 481580, 529738, 542872, 678590, 746449, 825220, 963160, 1059476, 1324345, 1357180, 1492898, 1650440, 2118952, 2648690, 2714360, 2985796, 3732245, 5297380, 5971592, 7464490, 8210939, 10594760, 14928980, 16421878, 29857960, 32843756, 41054695, 65687512, 82109390, 164218780, 328437560]

約数ペア:

[(1, 328437560), (2, 164218780), (4, 82109390), (5, 65687512), (8, 41054695), (10, 32843756), (11, 29857960), (20, 16421878), (22, 14928980), (31, 10594760), (40, 8210939), (44, 7464490), (55, 5971592), (62, 5297380), (88, 3732245), (110, 2985796), (121, 2714360), (124, 2648690), (155, 2118952), (199, 1650440), (220, 1492898), (242, 1357180), (248, 1324345), (310, 1059476), (341, 963160), (398, 825220), (440, 746449), (484, 678590), (605, 542872), (620, 529738), (682, 481580), (796, 412610), (968, 339295), (995, 330088), (1210, 271436), (1240, 264869), (1331, 246760), (1364, 240790), (1592, 206305), (1705, 192632), (1990, 165044), (2189, 150040), (2420, 135718), (2662, 123380), (2728, 120395), (3410, 96316), (3751, 87560), (3980, 82522), (4378, 75020), (4840, 67859), (5324, 61690), (6169, 53240), (6655, 49352), (6820, 48158), (7502, 43780), (7960, 41261), (8756, 37510), (10648, 30845), (10945, 30008), (12338, 26620), (13310, 24676), (13640, 24079), (15004, 21890), (17512, 18755)]