78475890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 207005760

約数和(自身を除く): 128529870

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 61, 74, 95, 111, 114, 122, 183, 185, 190, 222, 285, 305, 366, 370, 555, 570, 610, 703, 915, 1110, 1159, 1406, 1830, 2109, 2257, 2318, 3477, 3515, 3721, 4218, 4514, 5795, 6771, 6954, 7030, 7442, 10545, 11163, 11285, 11590, 13542, 17385, 18605, 21090, 22326, 22570, 33855, 34770, 37210, 42883, 55815, 67710, 70699, 85766, 111630, 128649, 137677, 141398, 212097, 214415, 257298, 275354, 353495, 413031, 424194, 428830, 643245, 688385, 706990, 826062, 1060485, 1286490, 1376770, 2065155, 2120970, 2615863, 4130310, 5231726, 7847589, 13079315, 15695178, 26158630, 39237945, 78475890]

約数ペア:

[(1, 78475890), (2, 39237945), (3, 26158630), (5, 15695178), (6, 13079315), (10, 7847589), (15, 5231726), (19, 4130310), (30, 2615863), (37, 2120970), (38, 2065155), (57, 1376770), (61, 1286490), (74, 1060485), (95, 826062), (111, 706990), (114, 688385), (122, 643245), (183, 428830), (185, 424194), (190, 413031), (222, 353495), (285, 275354), (305, 257298), (366, 214415), (370, 212097), (555, 141398), (570, 137677), (610, 128649), (703, 111630), (915, 85766), (1110, 70699), (1159, 67710), (1406, 55815), (1830, 42883), (2109, 37210), (2257, 34770), (2318, 33855), (3477, 22570), (3515, 22326), (3721, 21090), (4218, 18605), (4514, 17385), (5795, 13542), (6771, 11590), (6954, 11285), (7030, 11163), (7442, 10545)]