128962340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 312439680

約数和(自身を除く): 183477340

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 163, 170, 179, 221, 260, 326, 340, 358, 442, 652, 716, 815, 884, 895, 1105, 1630, 1790, 2119, 2210, 2327, 2771, 3043, 3260, 3580, 4238, 4420, 4654, 5542, 6086, 8476, 9308, 10595, 11084, 11635, 12172, 13855, 15215, 21190, 23270, 27710, 29177, 30430, 36023, 39559, 42380, 46540, 55420, 58354, 60860, 72046, 79118, 116708, 144092, 145885, 158236, 180115, 197795, 291770, 360230, 379301, 395590, 496009, 583540, 720460, 758602, 791180, 992018, 1517204, 1896505, 1984036, 2480045, 3793010, 4960090, 6448117, 7586020, 9920180, 12896234, 25792468, 32240585, 64481170, 128962340]

約数ペア:

[(1, 128962340), (2, 64481170), (4, 32240585), (5, 25792468), (10, 12896234), (13, 9920180), (17, 7586020), (20, 6448117), (26, 4960090), (34, 3793010), (52, 2480045), (65, 1984036), (68, 1896505), (85, 1517204), (130, 992018), (163, 791180), (170, 758602), (179, 720460), (221, 583540), (260, 496009), (326, 395590), (340, 379301), (358, 360230), (442, 291770), (652, 197795), (716, 180115), (815, 158236), (884, 145885), (895, 144092), (1105, 116708), (1630, 79118), (1790, 72046), (2119, 60860), (2210, 58354), (2327, 55420), (2771, 46540), (3043, 42380), (3260, 39559), (3580, 36023), (4238, 30430), (4420, 29177), (4654, 27710), (5542, 23270), (6086, 21190), (8476, 15215), (9308, 13855), (10595, 12172), (11084, 11635)]