1304452720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12829}}^1$

素因数の和:12914

約数の個数: 80

約数和(自身を含む): 3207294720

約数和(自身を除く): 1902842000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 10168, 12710, 12829, 20336, 25420, 25658, 50840, 51316, 64145, 101680, 102632, 128290, 205264, 256580, 397699, 513160, 525989, 795398, 1026320, 1051978, 1590796, 1988495, 2103956, 2629945, 3181592, 3976990, 4207912, 5259890, 6363184, 7953980, 8415824, 10519780, 15907960, 16305659, 21039560, 31815920, 32611318, 42079120, 65222636, 81528295, 130445272, 163056590, 260890544, 326113180, 652226360, 1304452720]

約数ペア:

[(1, 1304452720), (2, 652226360), (4, 326113180), (5, 260890544), (8, 163056590), (10, 130445272), (16, 81528295), (20, 65222636), (31, 42079120), (40, 32611318), (41, 31815920), (62, 21039560), (80, 16305659), (82, 15907960), (124, 10519780), (155, 8415824), (164, 7953980), (205, 6363184), (248, 5259890), (310, 4207912), (328, 3976990), (410, 3181592), (496, 2629945), (620, 2103956), (656, 1988495), (820, 1590796), (1240, 1051978), (1271, 1026320), (1640, 795398), (2480, 525989), (2542, 513160), (3280, 397699), (5084, 256580), (6355, 205264), (10168, 128290), (12710, 102632), (12829, 101680), (20336, 64145), (25420, 51316), (25658, 50840)]