181121200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 120

約数和(自身を含む): 477132656

約数和(自身を除く): 296011456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 61, 65, 80, 100, 104, 122, 130, 200, 208, 244, 260, 305, 325, 400, 488, 520, 571, 610, 650, 793, 976, 1040, 1142, 1220, 1300, 1525, 1586, 2284, 2440, 2600, 2855, 3050, 3172, 3965, 4568, 4880, 5200, 5710, 6100, 6344, 7423, 7930, 9136, 11420, 12200, 12688, 14275, 14846, 15860, 19825, 22840, 24400, 28550, 29692, 31720, 34831, 37115, 39650, 45680, 57100, 59384, 63440, 69662, 74230, 79300, 114200, 118768, 139324, 148460, 158600, 174155, 185575, 228400, 278648, 296920, 317200, 348310, 371150, 452803, 557296, 593840, 696620, 742300, 870775, 905606, 1393240, 1484600, 1741550, 1811212, 2264015, 2786480, 2969200, 3483100, 3622424, 4528030, 6966200, 7244848, 9056060, 11320075, 13932400, 18112120, 22640150, 36224240, 45280300, 90560600, 181121200]

約数ペア:

[(1, 181121200), (2, 90560600), (4, 45280300), (5, 36224240), (8, 22640150), (10, 18112120), (13, 13932400), (16, 11320075), (20, 9056060), (25, 7244848), (26, 6966200), (40, 4528030), (50, 3622424), (52, 3483100), (61, 2969200), (65, 2786480), (80, 2264015), (100, 1811212), (104, 1741550), (122, 1484600), (130, 1393240), (200, 905606), (208, 870775), (244, 742300), (260, 696620), (305, 593840), (325, 557296), (400, 452803), (488, 371150), (520, 348310), (571, 317200), (610, 296920), (650, 278648), (793, 228400), (976, 185575), (1040, 174155), (1142, 158600), (1220, 148460), (1300, 139324), (1525, 118768), (1586, 114200), (2284, 79300), (2440, 74230), (2600, 69662), (2855, 63440), (3050, 59384), (3172, 57100), (3965, 45680), (4568, 39650), (4880, 37115), (5200, 34831), (5710, 31720), (6100, 29692), (6344, 28550), (7423, 24400), (7930, 22840), (9136, 19825), (11420, 15860), (12200, 14846), (12688, 14275)]