79402240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 208610640

約数和(自身を除く): 129208400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 89, 128, 136, 160, 164, 170, 178, 205, 256, 272, 320, 328, 340, 356, 410, 445, 544, 640, 656, 680, 697, 712, 820, 890, 1088, 1280, 1312, 1360, 1394, 1424, 1513, 1640, 1780, 2176, 2624, 2720, 2788, 2848, 3026, 3280, 3485, 3560, 3649, 4352, 5248, 5440, 5576, 5696, 6052, 6560, 6970, 7120, 7298, 7565, 10496, 10880, 11152, 11392, 12104, 13120, 13940, 14240, 14596, 15130, 18245, 21760, 22304, 22784, 24208, 26240, 27880, 28480, 29192, 30260, 36490, 44608, 48416, 52480, 55760, 56960, 58384, 60520, 62033, 72980, 89216, 96832, 111520, 113920, 116768, 121040, 124066, 145960, 178432, 193664, 223040, 233536, 242080, 248132, 291920, 310165, 387328, 446080, 467072, 484160, 496264, 583840, 620330, 892160, 934144, 968320, 992528, 1167680, 1240660, 1936640, 1985056, 2335360, 2481320, 3970112, 4670720, 4962640, 7940224, 9925280, 15880448, 19850560, 39701120, 79402240]

約数ペア:

[(1, 79402240), (2, 39701120), (4, 19850560), (5, 15880448), (8, 9925280), (10, 7940224), (16, 4962640), (17, 4670720), (20, 3970112), (32, 2481320), (34, 2335360), (40, 1985056), (41, 1936640), (64, 1240660), (68, 1167680), (80, 992528), (82, 968320), (85, 934144), (89, 892160), (128, 620330), (136, 583840), (160, 496264), (164, 484160), (170, 467072), (178, 446080), (205, 387328), (256, 310165), (272, 291920), (320, 248132), (328, 242080), (340, 233536), (356, 223040), (410, 193664), (445, 178432), (544, 145960), (640, 124066), (656, 121040), (680, 116768), (697, 113920), (712, 111520), (820, 96832), (890, 89216), (1088, 72980), (1280, 62033), (1312, 60520), (1360, 58384), (1394, 56960), (1424, 55760), (1513, 52480), (1640, 48416), (1780, 44608), (2176, 36490), (2624, 30260), (2720, 29192), (2788, 28480), (2848, 27880), (3026, 26240), (3280, 24208), (3485, 22784), (3560, 22304), (3649, 21760), (4352, 18245), (5248, 15130), (5440, 14596), (5576, 14240), (5696, 13940), (6052, 13120), (6560, 12104), (6970, 11392), (7120, 11152), (7298, 10880), (7565, 10496)]