201620280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 632862720

約数和(自身を除く): 431242440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 653, 664, 744, 830, 930, 996, 1240, 1245, 1306, 1660, 1860, 1959, 1992, 2490, 2573, 2612, 3265, 3320, 3720, 3918, 4980, 5146, 5224, 6530, 7719, 7836, 9795, 9960, 10292, 12865, 13060, 15438, 15672, 19590, 20243, 20584, 25730, 26120, 30876, 38595, 39180, 40486, 51460, 54199, 60729, 61752, 77190, 78360, 80972, 101215, 102920, 108398, 121458, 154380, 161944, 162597, 202430, 216796, 242916, 270995, 303645, 308760, 325194, 404860, 433592, 485832, 541990, 607290, 650388, 809720, 812985, 1083980, 1214580, 1300776, 1625970, 1680169, 2167960, 2429160, 3251940, 3360338, 5040507, 6503880, 6720676, 8400845, 10081014, 13441352, 16801690, 20162028, 25202535, 33603380, 40324056, 50405070, 67206760, 100810140, 201620280]

約数ペア:

[(1, 201620280), (2, 100810140), (3, 67206760), (4, 50405070), (5, 40324056), (6, 33603380), (8, 25202535), (10, 20162028), (12, 16801690), (15, 13441352), (20, 10081014), (24, 8400845), (30, 6720676), (31, 6503880), (40, 5040507), (60, 3360338), (62, 3251940), (83, 2429160), (93, 2167960), (120, 1680169), (124, 1625970), (155, 1300776), (166, 1214580), (186, 1083980), (248, 812985), (249, 809720), (310, 650388), (332, 607290), (372, 541990), (415, 485832), (465, 433592), (498, 404860), (620, 325194), (653, 308760), (664, 303645), (744, 270995), (830, 242916), (930, 216796), (996, 202430), (1240, 162597), (1245, 161944), (1306, 154380), (1660, 121458), (1860, 108398), (1959, 102920), (1992, 101215), (2490, 80972), (2573, 78360), (2612, 77190), (3265, 61752), (3320, 60729), (3720, 54199), (3918, 51460), (4980, 40486), (5146, 39180), (5224, 38595), (6530, 30876), (7719, 26120), (7836, 25730), (9795, 20584), (9960, 20243), (10292, 19590), (12865, 15672), (13060, 15438)]