393735720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6421}}^1$

素因数の和:6515

約数の個数: 128

約数和(自身を含む): 1368656640

約数和(自身を除く): 974920920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 6421, 7665, 8760, 10220, 12264, 12842, 15330, 19263, 20440, 25684, 30660, 32105, 38526, 44947, 51368, 61320, 64210, 77052, 89894, 96315, 128420, 134841, 154104, 179788, 192630, 224735, 256840, 269682, 359576, 385260, 449470, 468733, 539364, 674205, 770520, 898940, 937466, 1078728, 1348410, 1406199, 1797880, 1874932, 2343665, 2696820, 2812398, 3281131, 3749864, 4687330, 5393640, 5624796, 6562262, 7030995, 9374660, 9843393, 11249592, 13124524, 14061990, 16405655, 18749320, 19686786, 26249048, 28123980, 32811310, 39373572, 49216965, 56247960, 65622620, 78747144, 98433930, 131245240, 196867860, 393735720]

約数ペア:

[(1, 393735720), (2, 196867860), (3, 131245240), (4, 98433930), (5, 78747144), (6, 65622620), (7, 56247960), (8, 49216965), (10, 39373572), (12, 32811310), (14, 28123980), (15, 26249048), (20, 19686786), (21, 18749320), (24, 16405655), (28, 14061990), (30, 13124524), (35, 11249592), (40, 9843393), (42, 9374660), (56, 7030995), (60, 6562262), (70, 5624796), (73, 5393640), (84, 4687330), (105, 3749864), (120, 3281131), (140, 2812398), (146, 2696820), (168, 2343665), (210, 1874932), (219, 1797880), (280, 1406199), (292, 1348410), (365, 1078728), (420, 937466), (438, 898940), (511, 770520), (584, 674205), (730, 539364), (840, 468733), (876, 449470), (1022, 385260), (1095, 359576), (1460, 269682), (1533, 256840), (1752, 224735), (2044, 192630), (2190, 179788), (2555, 154104), (2920, 134841), (3066, 128420), (4088, 96315), (4380, 89894), (5110, 77052), (6132, 64210), (6421, 61320), (7665, 51368), (8760, 44947), (10220, 38526), (12264, 32105), (12842, 30660), (15330, 25684), (19263, 20440)]