18980760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2668

約数の個数: 64

約数和(自身を含む): 57898080

約数和(自身を除く): 38917320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2593, 3660, 5186, 7320, 7779, 10372, 12965, 15558, 20744, 25930, 31116, 38895, 51860, 62232, 77790, 103720, 155580, 158173, 311160, 316346, 474519, 632692, 790865, 949038, 1265384, 1581730, 1898076, 2372595, 3163460, 3796152, 4745190, 6326920, 9490380, 18980760]

約数ペア:

[(1, 18980760), (2, 9490380), (3, 6326920), (4, 4745190), (5, 3796152), (6, 3163460), (8, 2372595), (10, 1898076), (12, 1581730), (15, 1265384), (20, 949038), (24, 790865), (30, 632692), (40, 474519), (60, 316346), (61, 311160), (120, 158173), (122, 155580), (183, 103720), (244, 77790), (305, 62232), (366, 51860), (488, 38895), (610, 31116), (732, 25930), (915, 20744), (1220, 15558), (1464, 12965), (1830, 10372), (2440, 7779), (2593, 7320), (3660, 5186)]