423321720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 1312416000

約数和(自身を除く): 889094280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 139, 164, 205, 246, 278, 328, 410, 417, 492, 556, 615, 619, 695, 820, 834, 984, 1112, 1230, 1238, 1390, 1640, 1668, 1857, 2085, 2460, 2476, 2780, 3095, 3336, 3714, 4170, 4920, 4952, 5560, 5699, 6190, 7428, 8340, 9285, 11398, 12380, 14856, 16680, 17097, 18570, 22796, 24760, 25379, 28495, 34194, 37140, 45592, 50758, 56990, 68388, 74280, 76137, 85485, 86041, 101516, 113980, 126895, 136776, 152274, 170970, 172082, 203032, 227960, 253790, 258123, 304548, 341940, 344164, 380685, 430205, 507580, 516246, 609096, 683880, 688328, 761370, 860410, 1015160, 1032492, 1290615, 1522740, 1720820, 2064984, 2581230, 3045480, 3441640, 3527681, 5162460, 7055362, 10324920, 10583043, 14110724, 17638405, 21166086, 28221448, 35276810, 42332172, 52915215, 70553620, 84664344, 105830430, 141107240, 211660860, 423321720]

約数ペア:

[(1, 423321720), (2, 211660860), (3, 141107240), (4, 105830430), (5, 84664344), (6, 70553620), (8, 52915215), (10, 42332172), (12, 35276810), (15, 28221448), (20, 21166086), (24, 17638405), (30, 14110724), (40, 10583043), (41, 10324920), (60, 7055362), (82, 5162460), (120, 3527681), (123, 3441640), (139, 3045480), (164, 2581230), (205, 2064984), (246, 1720820), (278, 1522740), (328, 1290615), (410, 1032492), (417, 1015160), (492, 860410), (556, 761370), (615, 688328), (619, 683880), (695, 609096), (820, 516246), (834, 507580), (984, 430205), (1112, 380685), (1230, 344164), (1238, 341940), (1390, 304548), (1640, 258123), (1668, 253790), (1857, 227960), (2085, 203032), (2460, 172082), (2476, 170970), (2780, 152274), (3095, 136776), (3336, 126895), (3714, 113980), (4170, 101516), (4920, 86041), (4952, 85485), (5560, 76137), (5699, 74280), (6190, 68388), (7428, 56990), (8340, 50758), (9285, 45592), (11398, 37140), (12380, 34194), (14856, 28495), (16680, 25379), (17097, 24760), (18570, 22796)]