145881040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 356405760

約数和(自身を除く): 210524720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 997, 1180, 1240, 1829, 1994, 2360, 2480, 3658, 3988, 4720, 4985, 7316, 7976, 9145, 9970, 14632, 15952, 18290, 19940, 29264, 30907, 36580, 39880, 58823, 61814, 73160, 79760, 117646, 123628, 146320, 154535, 235292, 247256, 294115, 309070, 470584, 494512, 588230, 618140, 941168, 1176460, 1236280, 1823513, 2352920, 2472560, 3647026, 4705840, 7294052, 9117565, 14588104, 18235130, 29176208, 36470260, 72940520, 145881040]

約数ペア:

[(1, 145881040), (2, 72940520), (4, 36470260), (5, 29176208), (8, 18235130), (10, 14588104), (16, 9117565), (20, 7294052), (31, 4705840), (40, 3647026), (59, 2472560), (62, 2352920), (80, 1823513), (118, 1236280), (124, 1176460), (155, 941168), (236, 618140), (248, 588230), (295, 494512), (310, 470584), (472, 309070), (496, 294115), (590, 247256), (620, 235292), (944, 154535), (997, 146320), (1180, 123628), (1240, 117646), (1829, 79760), (1994, 73160), (2360, 61814), (2480, 58823), (3658, 39880), (3988, 36580), (4720, 30907), (4985, 29264), (7316, 19940), (7976, 18290), (9145, 15952), (9970, 14632)]