615770240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:758

約数の個数: 128

約数和(自身を含む): 1571616000

約数和(自身を除く): 955845760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 79, 80, 95, 128, 152, 158, 160, 190, 304, 316, 320, 380, 395, 608, 632, 640, 641, 760, 790, 1216, 1264, 1282, 1501, 1520, 1580, 2432, 2528, 2564, 3002, 3040, 3160, 3205, 5056, 5128, 6004, 6080, 6320, 6410, 7505, 10112, 10256, 12008, 12160, 12179, 12640, 12820, 15010, 20512, 24016, 24358, 25280, 25640, 30020, 41024, 48032, 48716, 50560, 50639, 51280, 60040, 60895, 82048, 96064, 97432, 101278, 102560, 120080, 121790, 192128, 194864, 202556, 205120, 240160, 243580, 253195, 389728, 405112, 410240, 480320, 487160, 506390, 779456, 810224, 960640, 962141, 974320, 1012780, 1558912, 1620448, 1924282, 1948640, 2025560, 3240896, 3848564, 3897280, 4051120, 4810705, 6481792, 7697128, 7794560, 8102240, 9621410, 15394256, 16204480, 19242820, 30788512, 32408960, 38485640, 61577024, 76971280, 123154048, 153942560, 307885120, 615770240]

約数ペア:

[(1, 615770240), (2, 307885120), (4, 153942560), (5, 123154048), (8, 76971280), (10, 61577024), (16, 38485640), (19, 32408960), (20, 30788512), (32, 19242820), (38, 16204480), (40, 15394256), (64, 9621410), (76, 8102240), (79, 7794560), (80, 7697128), (95, 6481792), (128, 4810705), (152, 4051120), (158, 3897280), (160, 3848564), (190, 3240896), (304, 2025560), (316, 1948640), (320, 1924282), (380, 1620448), (395, 1558912), (608, 1012780), (632, 974320), (640, 962141), (641, 960640), (760, 810224), (790, 779456), (1216, 506390), (1264, 487160), (1282, 480320), (1501, 410240), (1520, 405112), (1580, 389728), (2432, 253195), (2528, 243580), (2564, 240160), (3002, 205120), (3040, 202556), (3160, 194864), (3205, 192128), (5056, 121790), (5128, 120080), (6004, 102560), (6080, 101278), (6320, 97432), (6410, 96064), (7505, 82048), (10112, 60895), (10256, 60040), (12008, 51280), (12160, 50639), (12179, 50560), (12640, 48716), (12820, 48032), (15010, 41024), (20512, 30020), (24016, 25640), (24358, 25280)]